+#define CLB_VAL_IDX 0
+#define CLB_MSK_IDX 1
+#define CLB_MATCH_IDX 2
+static int
+vhost_monitor_callback(const uint64_t value,
+ const uint64_t opaque[RTE_POWER_MONITOR_OPAQUE_SZ])
+{
+ const uint64_t m = opaque[CLB_MSK_IDX];
+ const uint64_t v = opaque[CLB_VAL_IDX];
+ const uint64_t c = opaque[CLB_MATCH_IDX];
+
+ if (c)
+ return (value & m) == v ? -1 : 0;
+ else
+ return (value & m) == v ? 0 : -1;
+}
+
+static int
+vhost_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc)
+{
+ struct vhost_queue *vq = rx_queue;
+ struct rte_vhost_power_monitor_cond vhost_pmc;
+ int ret;
+ if (vq == NULL)
+ return -EINVAL;
+ ret = rte_vhost_get_monitor_addr(vq->vid, vq->virtqueue_id,
+ &vhost_pmc);
+ if (ret < 0)
+ return -EINVAL;
+ pmc->addr = vhost_pmc.addr;
+ pmc->opaque[CLB_VAL_IDX] = vhost_pmc.val;
+ pmc->opaque[CLB_MSK_IDX] = vhost_pmc.mask;
+ pmc->opaque[CLB_MATCH_IDX] = vhost_pmc.match;
+ pmc->size = vhost_pmc.size;
+ pmc->fn = vhost_monitor_callback;
+
+ return 0;
+}
+